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Commit 0edd5b44 authored by Jeff Garzik's avatar Jeff Garzik
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[wireless ieee80211,ipw2200] Lindent source code 

No code changes, just Lindent + manual fixups.

This prepares us for updating to the latest Intel driver code, plus
gives the source code a nice facelift.
parent bbeec90b
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Showing with 1648 additions and 1749 deletions
drivers/net/wireless/ipw2200.c
View file @ 0edd5b44
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drivers/net/wireless/ipw2200.h
View file @ 0edd5b44
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net/ieee80211/ieee80211_crypt.c
View file @ 0edd5b44
......@@ -30,7 +30,6 @@ struct ieee80211_crypto_alg {
struct ieee80211_crypto_ops *ops;
};
struct ieee80211_crypto {
struct list_head algs;
spinlock_t lock;
......@@ -38,8 +37,7 @@ struct ieee80211_crypto {
static struct ieee80211_crypto *hcrypt;
void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee,
int force)
void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, int force)
{
struct list_head *ptr, *n;
struct ieee80211_crypt_data *entry;
......@@ -140,7 +138,7 @@ int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops)
spin_lock_irqsave(&hcrypt->lock, flags);
for (ptr = hcrypt->algs.next; ptr != &hcrypt->algs; ptr = ptr->next) {
struct ieee80211_crypto_alg *alg =
(struct ieee80211_crypto_alg *) ptr;
(struct ieee80211_crypto_alg *)ptr;
if (alg->ops == ops) {
list_del(&alg->list);
del_alg = alg;
......@@ -158,8 +156,7 @@ int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops)
return del_alg ? 0 : -1;
}
struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name)
struct ieee80211_crypto_ops *ieee80211_get_crypto_ops(const char *name)
{
unsigned long flags;
struct list_head *ptr;
......@@ -171,7 +168,7 @@ struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name)
spin_lock_irqsave(&hcrypt->lock, flags);
for (ptr = hcrypt->algs.next; ptr != &hcrypt->algs; ptr = ptr->next) {
struct ieee80211_crypto_alg *alg =
(struct ieee80211_crypto_alg *) ptr;
(struct ieee80211_crypto_alg *)ptr;
if (strcmp(alg->ops->name, name) == 0) {
found_alg = alg;
break;
......@@ -185,9 +182,13 @@ struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name)
return NULL;
}
static void * ieee80211_crypt_null_init(int keyidx) { return (void *) 1; }
static void ieee80211_crypt_null_deinit(void *priv) {}
static void *ieee80211_crypt_null_init(int keyidx)
{
return (void *)1;
}
static void ieee80211_crypt_null_deinit(void *priv)
{
}
static struct ieee80211_crypto_ops ieee80211_crypt_null = {
.name = "NULL",
......@@ -204,7 +205,6 @@ static struct ieee80211_crypto_ops ieee80211_crypt_null = {
.owner = THIS_MODULE,
};
static int __init ieee80211_crypto_init(void)
{
int ret = -ENOMEM;
......@@ -222,11 +222,10 @@ static int __init ieee80211_crypto_init(void)
kfree(hcrypt);
hcrypt = NULL;
}
out:
out:
return ret;
}
static void __exit ieee80211_crypto_deinit(void)
{
struct list_head *ptr, *n;
......@@ -237,7 +236,7 @@ static void __exit ieee80211_crypto_deinit(void)
for (ptr = hcrypt->algs.next, n = ptr->next; ptr != &hcrypt->algs;
ptr = n, n = ptr->next) {
struct ieee80211_crypto_alg *alg =
(struct ieee80211_crypto_alg *) ptr;
(struct ieee80211_crypto_alg *)ptr;
list_del(ptr);
printk(KERN_DEBUG "ieee80211_crypt: unregistered algorithm "
"'%s' (deinit)\n", alg->ops->name);
......
net/ieee80211/ieee80211_crypt_ccmp.c
View file @ 0edd5b44
......@@ -24,7 +24,6 @@
#include <net/ieee80211.h>
#include <linux/crypto.h>
#include <asm/scatterlist.h>
......@@ -75,7 +74,7 @@ static void ieee80211_ccmp_aes_encrypt(struct crypto_tfm *tfm,
crypto_cipher_encrypt(tfm, &dst, &src, AES_BLOCK_LEN);
}
static void * ieee80211_ccmp_init(int key_idx)
static void *ieee80211_ccmp_init(int key_idx)
{
struct ieee80211_ccmp_data *priv;
......@@ -94,7 +93,7 @@ static void * ieee80211_ccmp_init(int key_idx)
return priv;
fail:
fail:
if (priv) {
if (priv->tfm)
crypto_free_tfm(priv->tfm);
......@@ -104,7 +103,6 @@ static void * ieee80211_ccmp_init(int key_idx)
return NULL;
}
static void ieee80211_ccmp_deinit(void *priv)
{
struct ieee80211_ccmp_data *_priv = priv;
......@@ -113,19 +111,16 @@ static void ieee80211_ccmp_deinit(void *priv)
kfree(priv);
}
static inline void xor_block(u8 *b, u8 *a, size_t len)
static inline void xor_block(u8 * b, u8 * a, size_t len)
{
int i;
for (i = 0; i < len; i++)
b[i] ^= a[i];
}
static void ccmp_init_blocks(struct crypto_tfm *tfm,
struct ieee80211_hdr *hdr,
u8 *pn, size_t dlen, u8 *b0, u8 *auth,
u8 *s0)
u8 * pn, size_t dlen, u8 * b0, u8 * auth, u8 * s0)
{
u8 *pos, qc = 0;
size_t aad_len;
......@@ -142,7 +137,7 @@ static void ccmp_init_blocks(struct crypto_tfm *tfm,
if (a4_included)
aad_len += 6;
if (qc_included) {
pos = (u8 *) &hdr->addr4;
pos = (u8 *) & hdr->addr4;
if (a4_included)
pos += 6;
qc = *pos & 0x0f;
......@@ -174,7 +169,7 @@ static void ccmp_init_blocks(struct crypto_tfm *tfm,
aad[2] = pos[0] & 0x8f;
aad[3] = pos[1] & 0xc7;
memcpy(aad + 4, hdr->addr1, 3 * ETH_ALEN);
pos = (u8 *) &hdr->seq_ctl;
pos = (u8 *) & hdr->seq_ctl;
aad[22] = pos[0] & 0x0f;
aad[23] = 0; /* all bits masked */
memset(aad + 24, 0, 8);
......@@ -196,7 +191,6 @@ static void ccmp_init_blocks(struct crypto_tfm *tfm,
ieee80211_ccmp_aes_encrypt(tfm, b0, s0);
}
static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct ieee80211_ccmp_data *key = priv;
......@@ -209,8 +203,7 @@ static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
u8 *s0 = key->tx_s0;
if (skb_headroom(skb) < CCMP_HDR_LEN ||
skb_tailroom(skb) < CCMP_MIC_LEN ||
skb->len < hdr_len)
skb_tailroom(skb) < CCMP_MIC_LEN || skb->len < hdr_len)
return -1;
data_len = skb->len - hdr_len;
......@@ -230,13 +223,13 @@ static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
*pos++ = key->tx_pn[5];
*pos++ = key->tx_pn[4];
*pos++ = 0;
*pos++ = (key->key_idx << 6) | (1 << 5) /* Ext IV included */;
*pos++ = (key->key_idx << 6) | (1 << 5) /* Ext IV included */ ;
*pos++ = key->tx_pn[3];
*pos++ = key->tx_pn[2];
*pos++ = key->tx_pn[1];
*pos++ = key->tx_pn[0];
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
ccmp_init_blocks(key->tfm, hdr, key->tx_pn, data_len, b0, b, s0);
blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN;
......@@ -261,7 +254,6 @@ static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
return 0;
}
static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct ieee80211_ccmp_data *key = priv;
......@@ -280,7 +272,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return -1;
}
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
pos = skb->data + hdr_len;
keyidx = pos[3];
if (!(keyidx & (1 << 5))) {
......@@ -364,8 +356,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return keyidx;
}
static int ieee80211_ccmp_set_key(void *key, int len, u8 *seq, void *priv)
static int ieee80211_ccmp_set_key(void *key, int len, u8 * seq, void *priv)
{
struct ieee80211_ccmp_data *data = priv;
int keyidx;
......@@ -395,8 +386,7 @@ static int ieee80211_ccmp_set_key(void *key, int len, u8 *seq, void *priv)
return 0;
}
static int ieee80211_ccmp_get_key(void *key, int len, u8 *seq, void *priv)
static int ieee80211_ccmp_get_key(void *key, int len, u8 * seq, void *priv)
{
struct ieee80211_ccmp_data *data = priv;
......@@ -419,8 +409,7 @@ static int ieee80211_ccmp_get_key(void *key, int len, u8 *seq, void *priv)
return CCMP_TK_LEN;
}
static char * ieee80211_ccmp_print_stats(char *p, void *priv)
static char *ieee80211_ccmp_print_stats(char *p, void *priv)
{
struct ieee80211_ccmp_data *ccmp = priv;
p += sprintf(p, "key[%d] alg=CCMP key_set=%d "
......@@ -436,7 +425,6 @@ static char * ieee80211_ccmp_print_stats(char *p, void *priv)
return p;
}
static struct ieee80211_crypto_ops ieee80211_crypt_ccmp = {
.name = "CCMP",
.init = ieee80211_ccmp_init,
......@@ -453,18 +441,15 @@ static struct ieee80211_crypto_ops ieee80211_crypt_ccmp = {
.owner = THIS_MODULE,
};
static int __init ieee80211_crypto_ccmp_init(void)
{
return ieee80211_register_crypto_ops(&ieee80211_crypt_ccmp);
}
static void __exit ieee80211_crypto_ccmp_exit(void)
{
ieee80211_unregister_crypto_ops(&ieee80211_crypt_ccmp);
}
module_init(ieee80211_crypto_ccmp_init);
module_exit(ieee80211_crypto_ccmp_exit);
net/ieee80211/ieee80211_crypt_tkip.c
View file @ 0edd5b44
......@@ -23,7 +23,6 @@
#include <net/ieee80211.h>
#include <linux/crypto.h>
#include <asm/scatterlist.h>
#include <linux/crc32.h>
......@@ -62,7 +61,7 @@ struct ieee80211_tkip_data {
u8 rx_hdr[16], tx_hdr[16];
};
static void * ieee80211_tkip_init(int key_idx)
static void *ieee80211_tkip_init(int key_idx)
{
struct ieee80211_tkip_data *priv;
......@@ -88,7 +87,7 @@ static void * ieee80211_tkip_init(int key_idx)
return priv;
fail:
fail:
if (priv) {
if (priv->tfm_michael)
crypto_free_tfm(priv->tfm_michael);
......@@ -100,7 +99,6 @@ static void * ieee80211_tkip_init(int key_idx)
return NULL;
}
static void ieee80211_tkip_deinit(void *priv)
{
struct ieee80211_tkip_data *_priv = priv;
......@@ -111,51 +109,42 @@ static void ieee80211_tkip_deinit(void *priv)
kfree(priv);
}
static inline u16 RotR1(u16 val)
{
return (val >> 1) | (val << 15);
}
static inline u8 Lo8(u16 val)
{
return val & 0xff;
}
static inline u8 Hi8(u16 val)
{
return val >> 8;
}
static inline u16 Lo16(u32 val)
{
return val & 0xffff;
}
static inline u16 Hi16(u32 val)
{
return val >> 16;
}
static inline u16 Mk16(u8 hi, u8 lo)
{
return lo | (((u16) hi) << 8);
}
static inline u16 Mk16_le(u16 *v)
static inline u16 Mk16_le(u16 * v)
{
return le16_to_cpu(*v);
}
static const u16 Sbox[256] =
{
static const u16 Sbox[256] = {
0xC6A5, 0xF884, 0xEE99, 0xF68D, 0xFF0D, 0xD6BD, 0xDEB1, 0x9154,
0x6050, 0x0203, 0xCEA9, 0x567D, 0xE719, 0xB562, 0x4DE6, 0xEC9A,
0x8F45, 0x1F9D, 0x8940, 0xFA87, 0xEF15, 0xB2EB, 0x8EC9, 0xFB0B,
......@@ -190,17 +179,16 @@ static const u16 Sbox[256] =
0x82C3, 0x29B0, 0x5A77, 0x1E11, 0x7BCB, 0xA8FC, 0x6DD6, 0x2C3A,
};
static inline u16 _S_(u16 v)
{
u16 t = Sbox[Hi8(v)];
return Sbox[Lo8(v)] ^ ((t << 8) | (t >> 8));
}
#define PHASE1_LOOP_COUNT 8
static void tkip_mixing_phase1(u16 *TTAK, const u8 *TK, const u8 *TA, u32 IV32)
static void tkip_mixing_phase1(u16 * TTAK, const u8 * TK, const u8 * TA,
u32 IV32)
{
int i, j;
......@@ -221,13 +209,12 @@ static void tkip_mixing_phase1(u16 *TTAK, const u8 *TK, const u8 *TA, u32 IV32)
}
}
static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK,
static void tkip_mixing_phase2(u8 * WEPSeed, const u8 * TK, const u16 * TTAK,
u16 IV16)
{
/* Make temporary area overlap WEP seed so that the final copy can be
* avoided on little endian hosts. */
u16 *PPK = (u16 *) &WEPSeed[4];
u16 *PPK = (u16 *) & WEPSeed[4];
/* Step 1 - make copy of TTAK and bring in TSC */
PPK[0] = TTAK[0];
......@@ -238,15 +225,15 @@ static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK,
PPK[5] = TTAK[4] + IV16;
/* Step 2 - 96-bit bijective mixing using S-box */
PPK[0] += _S_(PPK[5] ^ Mk16_le((u16 *) &TK[0]));
PPK[1] += _S_(PPK[0] ^ Mk16_le((u16 *) &TK[2]));
PPK[2] += _S_(PPK[1] ^ Mk16_le((u16 *) &TK[4]));
PPK[3] += _S_(PPK[2] ^ Mk16_le((u16 *) &TK[6]));
PPK[4] += _S_(PPK[3] ^ Mk16_le((u16 *) &TK[8]));
PPK[5] += _S_(PPK[4] ^ Mk16_le((u16 *) &TK[10]));
PPK[0] += RotR1(PPK[5] ^ Mk16_le((u16 *) &TK[12]));
PPK[1] += RotR1(PPK[0] ^ Mk16_le((u16 *) &TK[14]));
PPK[0] += _S_(PPK[5] ^ Mk16_le((u16 *) & TK[0]));
PPK[1] += _S_(PPK[0] ^ Mk16_le((u16 *) & TK[2]));
PPK[2] += _S_(PPK[1] ^ Mk16_le((u16 *) & TK[4]));
PPK[3] += _S_(PPK[2] ^ Mk16_le((u16 *) & TK[6]));
PPK[4] += _S_(PPK[3] ^ Mk16_le((u16 *) & TK[8]));
PPK[5] += _S_(PPK[4] ^ Mk16_le((u16 *) & TK[10]));
PPK[0] += RotR1(PPK[5] ^ Mk16_le((u16 *) & TK[12]));
PPK[1] += RotR1(PPK[0] ^ Mk16_le((u16 *) & TK[14]));
PPK[2] += RotR1(PPK[1]);
PPK[3] += RotR1(PPK[2]);
PPK[4] += RotR1(PPK[3]);
......@@ -257,7 +244,7 @@ static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK,
WEPSeed[0] = Hi8(IV16);
WEPSeed[1] = (Hi8(IV16) | 0x20) & 0x7F;
WEPSeed[2] = Lo8(IV16);
WEPSeed[3] = Lo8((PPK[5] ^ Mk16_le((u16 *) &TK[0])) >> 1);
WEPSeed[3] = Lo8((PPK[5] ^ Mk16_le((u16 *) & TK[0])) >> 1);
#ifdef __BIG_ENDIAN
{
......@@ -281,7 +268,7 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
skb->len < hdr_len)
return -1;
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
if (!tkey->tx_phase1_done) {
tkip_mixing_phase1(tkey->tx_ttak, tkey->key, hdr->addr2,
tkey->tx_iv32);
......@@ -298,7 +285,7 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
*pos++ = rc4key[0];
*pos++ = rc4key[1];
*pos++ = rc4key[2];
*pos++ = (tkey->key_idx << 6) | (1 << 5) /* Ext IV included */;
*pos++ = (tkey->key_idx << 6) | (1 << 5) /* Ext IV included */ ;
*pos++ = tkey->tx_iv32 & 0xff;
*pos++ = (tkey->tx_iv32 >> 8) & 0xff;
*pos++ = (tkey->tx_iv32 >> 16) & 0xff;
......@@ -341,7 +328,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
if (skb->len < hdr_len + 8 + 4)
return -1;
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
pos = skb->data + hdr_len;
keyidx = pos[3];
if (!(keyidx & (1 << 5))) {
......@@ -427,9 +414,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return keyidx;
}
static int michael_mic(struct ieee80211_tkip_data *tkey, u8 *key, u8 *hdr,
u8 *data, size_t data_len, u8 *mic)
static int michael_mic(struct ieee80211_tkip_data *tkey, u8 * key, u8 * hdr,
u8 * data, size_t data_len, u8 * mic)
{
struct scatterlist sg[2];
......@@ -453,11 +439,11 @@ static int michael_mic(struct ieee80211_tkip_data *tkey, u8 *key, u8 *hdr,
return 0;
}
static void michael_mic_hdr(struct sk_buff *skb, u8 *hdr)
static void michael_mic_hdr(struct sk_buff *skb, u8 * hdr)
{
struct ieee80211_hdr *hdr11;
hdr11 = (struct ieee80211_hdr *) skb->data;
hdr11 = (struct ieee80211_hdr *)skb->data;
switch (le16_to_cpu(hdr11->frame_ctl) &
(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
case IEEE80211_FCTL_TODS:
......@@ -482,8 +468,8 @@ static void michael_mic_hdr(struct sk_buff *skb, u8 *hdr)
hdr[13] = hdr[14] = hdr[15] = 0; /* reserved */
}
static int ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len, void *priv)
static int ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len,
void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
u8 *pos;
......@@ -504,11 +490,9 @@ static int ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len, void *pri
return 0;
}
#if WIRELESS_EXT >= 18
static void ieee80211_michael_mic_failure(struct net_device *dev,
struct ieee80211_hdr *hdr,
int keyidx)
struct ieee80211_hdr *hdr, int keyidx)
{
union iwreq_data wrqu;
struct iw_michaelmicfailure ev;
......@@ -524,12 +508,11 @@ static void ieee80211_michael_mic_failure(struct net_device *dev,
memcpy(ev.src_addr.sa_data, hdr->addr2, ETH_ALEN);
memset(&wrqu, 0, sizeof(wrqu));
wrqu.data.length = sizeof(ev);
wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *) &ev);
wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev);
}
#elif WIRELESS_EXT >= 15
static void ieee80211_michael_mic_failure(struct net_device *dev,
struct ieee80211_hdr *hdr,
int keyidx)
struct ieee80211_hdr *hdr, int keyidx)
{
union iwreq_data wrqu;
char buf[128];
......@@ -550,7 +533,6 @@ static inline void ieee80211_michael_mic_failure(struct net_device *dev,
}
#endif /* WIRELESS_EXT >= 15 */
static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
int hdr_len, void *priv)
{
......@@ -566,7 +548,7 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
return -1;
if (memcmp(mic, skb->data + skb->len - 8, 8) != 0) {
struct ieee80211_hdr *hdr;
hdr = (struct ieee80211_hdr *) skb->data;
hdr = (struct ieee80211_hdr *)skb->data;
printk(KERN_DEBUG "%s: Michael MIC verification failed for "
"MSDU from " MAC_FMT " keyidx=%d\n",
skb->dev ? skb->dev->name : "N/A", MAC_ARG(hdr->addr2),
......@@ -587,8 +569,7 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
return 0;
}
static int ieee80211_tkip_set_key(void *key, int len, u8 *seq, void *priv)
static int ieee80211_tkip_set_key(void *key, int len, u8 * seq, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
int keyidx;
......@@ -617,8 +598,7 @@ static int ieee80211_tkip_set_key(void *key, int len, u8 *seq, void *priv)
return 0;
}
static int ieee80211_tkip_get_key(void *key, int len, u8 *seq, void *priv)
static int ieee80211_tkip_get_key(void *key, int len, u8 * seq, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
......@@ -647,8 +627,7 @@ static int ieee80211_tkip_get_key(void *key, int len, u8 *seq, void *priv)
return TKIP_KEY_LEN;
}
static char * ieee80211_tkip_print_stats(char *p, void *priv)
static char *ieee80211_tkip_print_stats(char *p, void *priv)
{
struct ieee80211_tkip_data *tkip = priv;
p += sprintf(p, "key[%d] alg=TKIP key_set=%d "
......@@ -674,7 +653,6 @@ static char * ieee80211_tkip_print_stats(char *p, void *priv)
return p;
}
static struct ieee80211_crypto_ops ieee80211_crypt_tkip = {
.name = "TKIP",
.init = ieee80211_tkip_init,
......@@ -691,18 +669,15 @@ static struct ieee80211_crypto_ops ieee80211_crypt_tkip = {
.owner = THIS_MODULE,
};
static int __init ieee80211_crypto_tkip_init(void)
{
return ieee80211_register_crypto_ops(&ieee80211_crypt_tkip);
}
static void __exit ieee80211_crypto_tkip_exit(void)
{
ieee80211_unregister_crypto_ops(&ieee80211_crypt_tkip);
}
module_init(ieee80211_crypto_tkip_init);
module_exit(ieee80211_crypto_tkip_exit);
net/ieee80211/ieee80211_crypt_wep.c
View file @ 0edd5b44
......@@ -20,7 +20,6 @@
#include <net/ieee80211.h>
#include <linux/crypto.h>
#include <asm/scatterlist.h>
#include <linux/crc32.h>
......@@ -29,7 +28,6 @@ MODULE_AUTHOR("Jouni Malinen");
MODULE_DESCRIPTION("Host AP crypt: WEP");
MODULE_LICENSE("GPL");
struct prism2_wep_data {
u32 iv;
#define WEP_KEY_LEN 13
......@@ -39,8 +37,7 @@ struct prism2_wep_data {
struct crypto_tfm *tfm;
};
static void * prism2_wep_init(int keyidx)
static void *prism2_wep_init(int keyidx)
{
struct prism2_wep_data *priv;
......@@ -62,7 +59,7 @@ static void * prism2_wep_init(int keyidx)
return priv;
fail:
fail:
if (priv) {
if (priv->tfm)
crypto_free_tfm(priv->tfm);
......@@ -71,7 +68,6 @@ static void * prism2_wep_init(int keyidx)
return NULL;
}
static void prism2_wep_deinit(void *priv)
{
struct prism2_wep_data *_priv = priv;
......@@ -80,7 +76,6 @@ static void prism2_wep_deinit(void *priv)
kfree(priv);
}
/* Perform WEP encryption on given skb that has at least 4 bytes of headroom
* for IV and 4 bytes of tailroom for ICV. Both IV and ICV will be transmitted,
* so the payload length increases with 8 bytes.
......@@ -143,7 +138,6 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
return 0;
}
/* Perform WEP decryption on given buffer. Buffer includes whole WEP part of
* the frame: IV (4 bytes), encrypted payload (including SNAP header),
* ICV (4 bytes). len includes both IV and ICV.
......@@ -202,8 +196,7 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return 0;
}
static int prism2_wep_set_key(void *key, int len, u8 *seq, void *priv)
static int prism2_wep_set_key(void *key, int len, u8 * seq, void *priv)
{
struct prism2_wep_data *wep = priv;
......@@ -216,8 +209,7 @@ static int prism2_wep_set_key(void *key, int len, u8 *seq, void *priv)
return 0;
}
static int prism2_wep_get_key(void *key, int len, u8 *seq, void *priv)
static int prism2_wep_get_key(void *key, int len, u8 * seq, void *priv)
{
struct prism2_wep_data *wep = priv;
......@@ -229,16 +221,13 @@ static int prism2_wep_get_key(void *key, int len, u8 *seq, void *priv)
return wep->key_len;
}
static char * prism2_wep_print_stats(char *p, void *priv)
static char *prism2_wep_print_stats(char *p, void *priv)
{
struct prism2_wep_data *wep = priv;
p += sprintf(p, "key[%d] alg=WEP len=%d\n",
wep->key_idx, wep->key_len);
p += sprintf(p, "key[%d] alg=WEP len=%d\n", wep->key_idx, wep->key_len);
return p;
}
static struct ieee80211_crypto_ops ieee80211_crypt_wep = {
.name = "WEP",
.init = prism2_wep_init,
......@@ -255,18 +244,15 @@ static struct ieee80211_crypto_ops ieee80211_crypt_wep = {
.owner = THIS_MODULE,
};
static int __init ieee80211_crypto_wep_init(void)
{
return ieee80211_register_crypto_ops(&ieee80211_crypt_wep);
}
static void __exit ieee80211_crypto_wep_exit(void)
{
ieee80211_unregister_crypto_ops(&ieee80211_crypt_wep);
}
module_init(ieee80211_crypto_wep_init);
module_exit(ieee80211_crypto_wep_exit);
net/ieee80211/ieee80211_module.c
View file @ 0edd5b44
......@@ -54,7 +54,8 @@
#include <net/ieee80211.h>
MODULE_DESCRIPTION("802.11 data/management/control stack");
MODULE_AUTHOR("Copyright (C) 2004 Intel Corporation <jketreno@linux.intel.com>");
MODULE_AUTHOR
("Copyright (C) 2004 Intel Corporation <jketreno@linux.intel.com>");
MODULE_LICENSE("GPL");
#define DRV_NAME "ieee80211"
......@@ -64,8 +65,8 @@ static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee)
if (ieee->networks)
return 0;
ieee->networks = kmalloc(
MAX_NETWORK_COUNT * sizeof(struct ieee80211_network),
ieee->networks =
kmalloc(MAX_NETWORK_COUNT * sizeof(struct ieee80211_network),
GFP_KERNEL);
if (!ieee->networks) {
printk(KERN_WARNING "%s: Out of memory allocating beacons\n",
......@@ -94,10 +95,10 @@ static inline void ieee80211_networks_initialize(struct ieee80211_device *ieee)
INIT_LIST_HEAD(&ieee->network_free_list);
INIT_LIST_HEAD(&ieee->network_list);
for (i = 0; i < MAX_NETWORK_COUNT; i++)
list_add_tail(&ieee->networks[i].list, &ieee->network_free_list);
list_add_tail(&ieee->networks[i].list,
&ieee->network_free_list);
}
struct net_device *alloc_ieee80211(int sizeof_priv)
{
struct ieee80211_device *ieee;
......@@ -118,8 +119,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
err = ieee80211_networks_allocate(ieee);
if (err) {
IEEE80211_ERROR("Unable to allocate beacon storage: %d\n",
err);
IEEE80211_ERROR("Unable to allocate beacon storage: %d\n", err);
goto failed;
}
ieee80211_networks_initialize(ieee);
......@@ -155,7 +155,6 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
return NULL;
}
void free_ieee80211(struct net_device *dev)
{
struct ieee80211_device *ieee = netdev_priv(dev);
......@@ -193,7 +192,7 @@ static int show_debug_level(char *page, char **start, off_t offset,
return snprintf(page, count, "0x%08X\n", ieee80211_debug_level);
}
static int store_debug_level(struct file *file, const char __user *buffer,
static int store_debug_level(struct file *file, const char __user * buffer,
unsigned long count, void *data)
{
char buf[] = "0x00000000";
......@@ -264,13 +263,12 @@ static void __exit ieee80211_exit(void)
module_param(debug, int, 0444);
MODULE_PARM_DESC(debug, "debug output mask");
module_exit(ieee80211_exit);
module_init(ieee80211_init);
#endif
const char *escape_essid(const char *essid, u8 essid_len) {
const char *escape_essid(const char *essid, u8 essid_len)
{
static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
const char *s = essid;
char *d = escaped;
......@@ -280,7 +278,7 @@ const char *escape_essid(const char *essid, u8 essid_len) {
return escaped;
}
essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
essid_len = min(essid_len, (u8) IW_ESSID_MAX_SIZE);
while (essid_len--) {
if (*s == '\0') {
*d++ = '\\';
......
net/ieee80211/ieee80211_rx.c
View file @ 0edd5b44
This diff is collapsed.
net/ieee80211/ieee80211_tx.c
View file @ 0edd5b44
......@@ -45,10 +45,8 @@
#include <net/ieee80211.h>
/*
802.11 Data Frame
,-------------------------------------------------------------------.
......@@ -82,7 +80,6 @@ Desc. | IV | Encrypted | ICV |
`-----------------------'
Total: 8 non-data bytes
802.3 Ethernet Data Frame
,-----------------------------------------.
......@@ -131,7 +128,7 @@ payload of each frame is reduced to 492 bytes.
static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
static inline int ieee80211_put_snap(u8 *data, u16 h_proto)
static inline int ieee80211_put_snap(u8 * data, u16 h_proto)
{
struct ieee80211_snap_hdr *snap;
u8 *oui;
......@@ -149,17 +146,15 @@ static inline int ieee80211_put_snap(u8 *data, u16 h_proto)
snap->oui[1] = oui[1];
snap->oui[2] = oui[2];
*(u16 *)(data + SNAP_SIZE) = htons(h_proto);
*(u16 *) (data + SNAP_SIZE) = htons(h_proto);
return SNAP_SIZE + sizeof(u16);
}
static inline int ieee80211_encrypt_fragment(
struct ieee80211_device *ieee,
struct sk_buff *frag,
int hdr_len)
static inline int ieee80211_encrypt_fragment(struct ieee80211_device *ieee,
struct sk_buff *frag, int hdr_len)
{
struct ieee80211_crypt_data* crypt = ieee->crypt[ieee->tx_keyidx];
struct ieee80211_crypt_data *crypt = ieee->crypt[ieee->tx_keyidx];
int res;
#ifdef CONFIG_IEEE80211_CRYPT_TKIP
......@@ -167,7 +162,7 @@ static inline int ieee80211_encrypt_fragment(
if (ieee->tkip_countermeasures &&
crypt && crypt->ops && strcmp(crypt->ops->name, "TKIP") == 0) {
header = (struct ieee80211_hdr *) frag->data;
header = (struct ieee80211_hdr *)frag->data;
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
"TX packet to " MAC_FMT "\n",
......@@ -200,8 +195,8 @@ static inline int ieee80211_encrypt_fragment(
return 0;
}
void ieee80211_txb_free(struct ieee80211_txb *txb) {
void ieee80211_txb_free(struct ieee80211_txb *txb)
{
int i;
if (unlikely(!txb))
return;
......@@ -216,8 +211,7 @@ static struct ieee80211_txb *ieee80211_alloc_txb(int nr_frags, int txb_size,
{
struct ieee80211_txb *txb;
int i;
txb = kmalloc(
sizeof(struct ieee80211_txb) + (sizeof(u8*) * nr_frags),
txb = kmalloc(sizeof(struct ieee80211_txb) + (sizeof(u8 *) * nr_frags),
gfp_mask);
if (!txb)
return NULL;
......@@ -243,8 +237,7 @@ static struct ieee80211_txb *ieee80211_alloc_txb(int nr_frags, int txb_size,
}
/* SKBs are added to the ieee->tx_queue. */
int ieee80211_xmit(struct sk_buff *skb,
struct net_device *dev)
int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ieee80211_device *ieee = netdev_priv(dev);
struct ieee80211_txb *txb = NULL;
......@@ -261,15 +254,14 @@ int ieee80211_xmit(struct sk_buff *skb,
};
u8 dest[ETH_ALEN], src[ETH_ALEN];
struct ieee80211_crypt_data* crypt;
struct ieee80211_crypt_data *crypt;
spin_lock_irqsave(&ieee->lock, flags);
/* If there is no driver handler to take the TXB, dont' bother
* creating it... */
if (!ieee->hard_start_xmit) {
printk(KERN_WARNING "%s: No xmit handler.\n",
ieee->dev->name);
printk(KERN_WARNING "%s: No xmit handler.\n", ieee->dev->name);
goto success;
}
......@@ -294,7 +286,7 @@ int ieee80211_xmit(struct sk_buff *skb,
/* Save source and destination addresses */
memcpy(&dest, skb->data, ETH_ALEN);
memcpy(&src, skb->data+ETH_ALEN, ETH_ALEN);
memcpy(&src, skb->data + ETH_ALEN, ETH_ALEN);
/* Advance the SKB to the start of the payload */
skb_pull(skb, sizeof(struct ethhdr));
......@@ -327,8 +319,7 @@ int ieee80211_xmit(struct sk_buff *skb,
/* Determine fragmentation size based on destination (multicast
* and broadcast are not fragmented) */
if (is_multicast_ether_addr(dest) ||
is_broadcast_ether_addr(dest))
if (is_multicast_ether_addr(dest) || is_broadcast_ether_addr(dest))
frag_size = MAX_FRAG_THRESHOLD;
else
frag_size = ieee->fts;
......@@ -380,8 +371,8 @@ int ieee80211_xmit(struct sk_buff *skb,
/* If this is not the last fragment, then add the MOREFRAGS
* bit to the frame control */
if (i != nr_frags - 1) {
frag_hdr->frame_ctl = cpu_to_le16(
fc | IEEE80211_FCTL_MOREFRAGS);
frag_hdr->frame_ctl =
cpu_to_le16(fc | IEEE80211_FCTL_MOREFRAGS);
bytes = bytes_per_frag;
} else {
/* The last fragment takes the remaining length */
......@@ -390,8 +381,8 @@ int ieee80211_xmit(struct sk_buff *skb,
/* Put a SNAP header on the first fragment */
if (i == 0) {
ieee80211_put_snap(
skb_put(skb_frag, SNAP_SIZE + sizeof(u16)),
ieee80211_put_snap(skb_put
(skb_frag, SNAP_SIZE + sizeof(u16)),
ether_type);
bytes -= SNAP_SIZE + sizeof(u16);
}
......@@ -410,14 +401,13 @@ int ieee80211_xmit(struct sk_buff *skb,
skb_put(skb_frag, 4);
}
success:
spin_unlock_irqrestore(&ieee->lock, flags);
dev_kfree_skb_any(skb);
if (txb) {
if ((*ieee->hard_start_xmit)(txb, dev) == 0) {
if ((*ieee->hard_start_xmit) (txb, dev) == 0) {
stats->tx_packets++;
stats->tx_bytes += txb->payload_size;
return 0;
......
net/ieee80211/ieee80211_wx.c
View file @ 0edd5b44
......@@ -66,26 +66,25 @@ static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
iwe.u.data.length = sizeof("<hidden>");
start = iwe_stream_add_point(start, stop, &iwe, "<hidden>");
} else {
iwe.u.data.length = min(network->ssid_len, (u8)32);
iwe.u.data.length = min(network->ssid_len, (u8) 32);
start = iwe_stream_add_point(start, stop, &iwe, network->ssid);
}
/* Add the protocol name */
iwe.cmd = SIOCGIWNAME;
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11%s", ieee80211_modes[network->mode]);
snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11%s",
ieee80211_modes[network->mode]);
start = iwe_stream_add_event(start, stop, &iwe, IW_EV_CHAR_LEN);
/* Add mode */
iwe.cmd = SIOCGIWMODE;
if (network->capability &
(WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
if (network->capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
if (network->capability & WLAN_CAPABILITY_ESS)
iwe.u.mode = IW_MODE_MASTER;
else
iwe.u.mode = IW_MODE_ADHOC;
start = iwe_stream_add_event(start, stop, &iwe,
IW_EV_UINT_LEN);
start = iwe_stream_add_event(start, stop, &iwe, IW_EV_UINT_LEN);
}
/* Add frequency/channel */
......@@ -110,7 +109,7 @@ static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
max_rate = 0;
p = custom;
p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): ");
for (i = 0, j = 0; i < network->rates_len; ) {
for (i = 0, j = 0; i < network->rates_len;) {
if (j < network->rates_ex_len &&
((network->rates_ex[j] & 0x7F) <
(network->rates[i] & 0x7F)))
......@@ -133,8 +132,7 @@ static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
iwe.cmd = SIOCGIWRATE;
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
iwe.u.bitrate.value = max_rate * 500000;
start = iwe_stream_add_event(start, stop, &iwe,
IW_EV_PARAM_LEN);
start = iwe_stream_add_event(start, stop, &iwe, IW_EV_PARAM_LEN);
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = p - custom;
......@@ -164,7 +162,7 @@ static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
if (iwe.u.data.length)
start = iwe_stream_add_point(start, stop, &iwe, custom);
if (ieee->wpa_enabled && network->wpa_ie_len){
if (ieee->wpa_enabled && network->wpa_ie_len) {
char buf[MAX_WPA_IE_LEN * 2 + 30];
u8 *p = buf;
......@@ -179,7 +177,7 @@ static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
start = iwe_stream_add_point(start, stop, &iwe, buf);
}
if (ieee->wpa_enabled && network->rsn_ie_len){
if (ieee->wpa_enabled && network->rsn_ie_len) {
char buf[MAX_WPA_IE_LEN * 2 + 30];
u8 *p = buf;
......@@ -199,12 +197,12 @@ static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
iwe.cmd = IWEVCUSTOM;
p = custom;
p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
" Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100));
" Last beacon: %lums ago",
(jiffies - network->last_scanned) / (HZ / 100));
iwe.u.data.length = p - custom;
if (iwe.u.data.length)
start = iwe_stream_add_point(start, stop, &iwe, custom);
return start;
}
......@@ -229,13 +227,14 @@ int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
time_after(network->last_scanned + ieee->scan_age, jiffies))
ev = ipw2100_translate_scan(ieee, ev, stop, network);
else
IEEE80211_DEBUG_SCAN(
"Not showing network '%s ("
IEEE80211_DEBUG_SCAN("Not showing network '%s ("
MAC_FMT ")' due to age (%lums).\n",
escape_essid(network->ssid,
network->ssid_len),
MAC_ARG(network->bssid),
(jiffies - network->last_scanned) / (HZ / 100));
(jiffies -
network->last_scanned) / (HZ /
100));
}
spin_unlock_irqrestore(&ieee->lock, flags);
......@@ -292,8 +291,8 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
if (ieee->crypt[i] != NULL) {
if (key_provided)
break;
ieee80211_crypt_delayed_deinit(
ieee, &ieee->crypt[i]);
ieee80211_crypt_delayed_deinit(ieee,
&ieee->crypt[i]);
}
}
......@@ -306,8 +305,6 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
goto done;
}
sec.enabled = 1;
sec.flags |= SEC_ENABLED;
......@@ -341,8 +338,7 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
new_crypt = NULL;
printk(KERN_WARNING "%s: could not initialize WEP: "
"load module ieee80211_crypt_wep\n",
dev->name);
"load module ieee80211_crypt_wep\n", dev->name);
return -EOPNOTSUPP;
}
*crypt = new_crypt;
......@@ -382,8 +378,8 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
/* No key data - just set the default TX key index */
if (key_provided) {
IEEE80211_DEBUG_WX(
"Setting key %d to default Tx key.\n", key);
IEEE80211_DEBUG_WX
("Setting key %d to default Tx key.\n", key);
ieee->tx_keyidx = key;
sec.active_key = key;
sec.flags |= SEC_ACTIVE_KEY;
......
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